This exquisite <b>necklace</b> is from the <b>Amulette de</b> <a href="http://www.selfridges.com/en/cartier/wonder-room/" style="text-decoration: none"><font color="black"><b>Cartier</b></font></a> collection, consisting of natural gemstones and evoking luck or a promised wish. Elegantly crafted with smooth, polished curves into a unique padlock design of luscious pink opal, this piece is set with a brilliantly-cut 0.02ct diamond. <b>Each Cartier creation is available to order online using our Click & Collect service at Selfridges London. You will collect your order, presented in the iconic red box, at the Cartier boutique in The Wonder Room.</b>